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Replaced failed HP hard drive, Now comp won't turn on.

by 550wins / October 1, 2011 7:13 AM PDT
3Year old HP Pavilion p6130y Desktop,Vista Home Premium, 8GB RAM. I replaced failed hard drive and ordered the recovery discs from HP. While installing the OS it's a lengthy process and when I came back the computer had shut off. I tried this about three times same result. Now The computer won't even turn on. The power button flashes for a second and the fans turn but it goes off immediately. I thought for sure it was the power supply, replaced it and same thing happens. Tried researching it through the forums. Connections look ok, Nothing USB Connected, capacitors look fine. Looks like it went to sleep and won't wake up. Getting a bit frustrated because I can't afford Geek Squad extortion.

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All Answers

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Turn on
by bob b / October 1, 2011 8:23 AM PDT


Unplug everything else.

If it won't turn on your down to 3 parts.

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HP issues
by Willy / October 1, 2011 11:00 AM PDT

With power-OFF disconnect the HD. Now power-ON do you get the bios display or initial booting display. If so, then access the bios, verify the HD is the 1st device and save upon exit. if you get nothing, then something is wrong with mtrbd.. if you get a flashing cursor in upper left corner(maybe right) then it awaits proper initialization of system. return new HD to system and try again. HP maybe doing a check and it fails and won't allow to continue. In such cases it may need HP s/w to proceed. Only and only if the right recovery/restore discs were used, because HP has a tendency to make it go bad, otherwise.

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right avout motherboard
by wb2001 / October 2, 2011 9:26 AM PDT
In reply to: HP issues

That unit has the infamous M2N78LA violet board The NVidia controller chip is bad, When it goes, the SATA ports no longer respond.

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How old is the CMOS battery ??
by VAPCMD / October 2, 2011 9:42 AM PDT

Have you cleared CMOS or replaced the CMOS battery ?

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Motherbd. issue
by Willy / October 3, 2011 12:27 AM PDT

Following another poster's idea of a possible bad mtrbd. issue, here is the link to HP forum and/or discussion on the topic. Take that and run with it, it may give you an idea in what you're up against. Understand there are various versions of mtrbds even though they seem the same, so it's very important to get the right this or that for your HP product. You may need to search for what is causing your issue, but the SATA ports were mentioned.

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Motherboard issue, Beyond my capabilities.
by 550wins / October 29, 2011 9:10 AM PDT
Thanks for the time and effort you put into trying to help. I tried but after too much frustration I gave up and returned the new power supply to best buy. Silver Lining on the clearance shelf with a bunch of paper shredders was a Dell Tower with mouse and keyboard for only $289!!! So with the $50 I got back for the PS I got a 6 month old display model Dell with WIN 7 for around $250. I'm very happy with it I only had to promise my son a new laptop for Christmas. I believe the HP problem was a motherboard issue. I proved it wasn't the PS but it was a total dead end after that. Nothing worked but your advice and help were greatly appreciated. THANKS!
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